Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
I D B W V D T W R
J N V Y G R E N E
N U S T O V E M F
E F R U M C O P S
R L D T L L M S N
I Q A B U A Q D A
F E N L A W T L R
H O T D R V Q O T
Z G H R U N D C R
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